Παρτίδα του Στράτου Γρίβα (στον 1ο γύρο μπαράζ)

Play-Off / Round 1 (14.09.2008)
A.E.K.– A.E. Pontion Melission
Board 1
□ Grivas,Efstratios (2490)
■ Kefalis,Hristos (2122)
D30 Athens 2008
Times: 0.26–0.38

1.d4 Nf6 2.Nf3 d5 3.c4 c6 4.Nbd2 Bf5 5.Nh4 Bc8
a) 5...Bg4 6.h3 Bh5 7.g4 Bg6 8.Nxg6 hxg6 9.Bg2 e6 10.e4 += Grivas,E-Osmanoglou,H/Kallithea 2008.
b) 5...Bg6 6.Qb3 Qc7 7.Nxg6 hxg6 8.g3 e6 9.Bg2 Nbd7 10.0–0 Be7 11.e4 += Grivas,E-Ketzetzis,G/Kallithea 2008.
6.e3 e6 7.Nhf3 dxc4
a) 7...Bd6 8.Qc2 Nbd7 9.b3 0–0 10.Bb2 Qe7 11.Ne5 Ba3 12.Bxa3 Qxa3 13.Bd3 h6 14.f4 += Kosic,D-Christensen,T/Saint Vincent 2005.
b) 7...Nbd7 8.Bd3 Bd6 9.e4 e5 10.cxd5 cxd5 11.exd5 0–0 12.0–0 exd4 13.Ne4 Nxe4 14.Bxe4 Nf6 15.Qxd4 Nxe4 16.Qxe4 Re8 17.Qd3 Qf6 18.Be3 Bf5 19.Qd2 Be4 ½–½ Kasparov,G-Kramnik,V/Moscow 1998.
8.Nxc4
8.Bxc4 c5 (8...b5 9.Be2 Bb7 10.0–0 Nbd7 11.a4 bxa4 12.Nc4 Be7 13.Qxa4 0–0 14.Na5 Qc7 15.Bd2 Ne4 16.Rfc1 +/- Mainka,G-Voelkel,T/Sueder 1996 ; 8...Nbd7 9.0–0 Qc7 10.b3 b6 11.Bb2 Bb7 12.Qe2 Bd6 13.e4 e5 14.Rfe1 += Le Thanh Huyen-Hoang Thi Bao,T/Vietnam 2002) 9.dxc5 (9.b3 Nc6 10.Bb2 cxd4 11.Nxd4 Bd7 12.0–0 Be7 13.Be2 Nxd4 14.Bxd4 Bc6 15.Bf3 Bxf3 16.Qxf3 Qd7 17.Rfd1 0–0 18.Bxf6 Bxf6 19.Ne4 Qe7 20.Nxf6+ gxf6 21.Rd4 += Leitao,R-Matsuura,E/Sao Paulo 2005) 9...Bxc5 10.0–0 0–0 11.a3 b6 12.b4 Be7 13.Bb2 a5 14.bxa5 Rxa5 15.Qc2 Ba6 16.Bxa6 Rxa6 17.Ne5 Qd5 18.Rfd1 += Bertholdt,D-Fuchs,R/Kienbaum 1958.
8...b5?!
a) 8...Be7 9.Bd3 Nbd7 10.Qc2 c5 11.0–0 b5 12.Nce5 Qb6 13.a4 b4 14.a5 +/- Goetz,A-Diehl,A/Bayern 1999.
b) 8...Nbd7 9.Bd3 c5 10.0–0 Be7 11.Qe2 0–0 12.Rd1 Qc7 13.e4 += Miljkovic,M-Djuric,N/Senta 2007.
9.Nce5 Bb7
9...Be7 10.Bd2 0–0 11.Qc2 Bb7 12.Bd3 a5 13.Ng5 g6 14.h4 +/- Petkov,V-Chirila,I/Galatzi 2007.
10.a4! b4? (D)
10...a6 11.Ng5 Bb4+ 12.Bd2 Bxd2+ 13.Qxd2 0–0 14.Bd3 +/- ; 10...bxa4 11.Qxa4 Nbd7 12.Bd2 +/- ; 10...Bb4+ 11.Bd2 Bxd2+ 12.Qxd2 Ne4 13.Qc2 Qa5+ 14.Nd2 Nxd2 15.Qxd2 Qxd2+ 16.Kxd2 +/-.



11.Ng5! +- Nfd7
11...Rg8 12.Ngxf7 Qe7 13.Bc4 Nbd7 14.Qb3 +- .
12.Ngxf7 Qf6 13.Nxh8
13...Nxe5 14.dxe5 Qxe5 15.Qd8+ Kxd8 16.Nf7+.
1–0